The Struble-Einstein Correspondence
(15th Marcel Grossmann Meeting, La Sapienza, Rome, Italy 2018)
Gravitational Lensing in Area Metric Spacetimes
(15th Marcel Grossmann Meeting, La Sapienza, Rome, Italy 2018)
Optical Geometry 101: From the Standard Approximation to Spacetime
(AMS MRC Mathematics of Gravity and Light, Whispering Pines, Rhode Island, USA 2018)
Constructive Gravity: A New Approach to Modi ed Gravity Theories
(Gravity and Cosmology 2018, YITP, Kyoto University, Japan 2018)
Constructing Predictive Gravity Theories
(27th Workshop on General Relativity and Gravitation in Japan, Hiroshima University, Japan 2017)